Dec 19 20:56:35.089 INFO checking agilestacks/object-spam against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 20:56:35.089 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/agilestacks/object-spam:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 20:56:35.568 INFO [stdout] 0080289e8f831c289dc34f1b1a1c92538ca89b8e3a0a400a0aa7f79fd21b6560
Dec 19 20:56:35.570 INFO running `"docker" "start" "-a" "0080289e8f831c289dc34f1b1a1c92538ca89b8e3a0a400a0aa7f79fd21b6560"`
Dec 19 20:56:38.728 INFO [stderr]     Checking quantiles v0.7.1
Dec 19 20:56:38.728 INFO [stderr]     Checking human-size v0.4.0
Dec 19 20:56:38.755 INFO [stderr]     Checking crossbeam-epoch v0.6.1
Dec 19 20:56:40.324 INFO [stderr]     Checking crossbeam-deque v0.6.2
Dec 19 20:56:40.871 INFO [stderr]     Checking tokio-threadpool v0.1.8
Dec 19 20:56:42.217 INFO [stderr]     Checking tokio-fs v0.1.4
Dec 19 20:56:42.994 INFO [stderr]     Checking tokio v0.1.11
Dec 19 20:56:44.018 INFO [stderr]     Checking hyper v0.12.14
Dec 19 20:56:48.553 INFO [stderr]     Checking hyper-tls v0.3.1
Dec 19 20:56:48.556 INFO [stderr]     Checking rusoto_credential v0.14.0
Dec 19 20:56:50.668 INFO [stderr]     Checking rusoto_core v0.35.0
Dec 19 20:56:54.252 INFO [stderr]     Checking rusoto_s3 v0.35.0
Dec 19 20:57:03.878 INFO [stderr]     Checking object-spam v0.1.0 (/opt/crater/workdir)
Dec 19 20:57:06.688 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:57:06.689 INFO [stderr]   --> src/stats.rs:71:9
Dec 19 20:57:06.689 INFO [stderr]    |
Dec 19 20:57:06.689 INFO [stderr] 71 |         writeln!(f, "Timing results for {}", self.category);
Dec 19 20:57:06.689 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:57:06.689 INFO [stderr]    |
Dec 19 20:57:06.689 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 20:57:06.689 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:57:06.689 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 20:57:06.689 INFO [stderr] 
Dec 19 20:57:06.689 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:57:06.689 INFO [stderr]   --> src/stats.rs:72:9
Dec 19 20:57:06.689 INFO [stderr]    |
Dec 19 20:57:06.689 INFO [stderr] 72 |         writeln!(f, "Bandwidth = {:.3} MB/sec", self.bytes / self.sum as f64 / (1024.0 * 1024.0));
Dec 19 20:57:06.689 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:57:06.689 INFO [stderr]    |
Dec 19 20:57:06.689 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:57:06.689 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 20:57:06.689 INFO [stderr] 
Dec 19 20:57:06.690 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:57:06.690 INFO [stderr]   --> src/stats.rs:73:9
Dec 19 20:57:06.690 INFO [stderr]    |
Dec 19 20:57:06.690 INFO [stderr] 73 |         writeln!(f, "Mean = {:.3}", (self.max - self.min) / 2_f64);
Dec 19 20:57:06.690 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:57:06.690 INFO [stderr]    |
Dec 19 20:57:06.690 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:57:06.690 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 20:57:06.690 INFO [stderr] 
Dec 19 20:57:06.690 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:57:06.690 INFO [stderr]   --> src/stats.rs:74:9
Dec 19 20:57:06.690 INFO [stderr]    |
Dec 19 20:57:06.690 INFO [stderr] 74 |         writeln!(f, "Average = {:.3}", self.sum / self.num_samples as f64);
Dec 19 20:57:06.690 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:57:06.690 INFO [stderr]    |
Dec 19 20:57:06.690 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:57:06.690 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 20:57:06.690 INFO [stderr] 
Dec 19 20:57:06.691 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:57:06.691 INFO [stderr]   --> src/stats.rs:75:9
Dec 19 20:57:06.691 INFO [stderr]    |
Dec 19 20:57:06.691 INFO [stderr] 75 |         writeln!(f, "Max = {:.3}", self.max);
Dec 19 20:57:06.691 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:57:06.691 INFO [stderr]    |
Dec 19 20:57:06.691 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:57:06.691 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 20:57:06.692 INFO [stderr] 
Dec 19 20:57:06.692 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:57:06.692 INFO [stderr]   --> src/stats.rs:76:9
Dec 19 20:57:06.692 INFO [stderr]    |
Dec 19 20:57:06.692 INFO [stderr] 76 |         writeln!(f, "Min = {:.3}", self.min);
Dec 19 20:57:06.692 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:57:06.692 INFO [stderr]    |
Dec 19 20:57:06.692 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:57:06.692 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 20:57:06.692 INFO [stderr] 
Dec 19 20:57:06.692 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:57:06.692 INFO [stderr]   --> src/stats.rs:77:9
Dec 19 20:57:06.692 INFO [stderr]    |
Dec 19 20:57:06.692 INFO [stderr] 77 |         writeln!(f, "50th Percenile value = {:.3}", self.histogram[FIFTY]);
Dec 19 20:57:06.692 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:57:06.692 INFO [stderr]    |
Dec 19 20:57:06.692 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:57:06.692 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 20:57:06.692 INFO [stderr] 
Dec 19 20:57:06.692 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:57:06.692 INFO [stderr]   --> src/stats.rs:78:9
Dec 19 20:57:06.692 INFO [stderr]    |
Dec 19 20:57:06.692 INFO [stderr] 78 |         writeln!(f, "70th Percenile value = {:.3}", self.histogram[SEVENTY]);
Dec 19 20:57:06.692 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:57:06.692 INFO [stderr]    |
Dec 19 20:57:06.692 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:57:06.692 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 20:57:06.692 INFO [stderr] 
Dec 19 20:57:06.693 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:57:06.693 INFO [stderr]   --> src/stats.rs:79:9
Dec 19 20:57:06.693 INFO [stderr]    |
Dec 19 20:57:06.693 INFO [stderr] 79 |         writeln!(f, "90th Percenile value = {:.3}", self.histogram[NINETY]);
Dec 19 20:57:06.693 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:57:06.693 INFO [stderr]    |
Dec 19 20:57:06.694 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:57:06.694 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 20:57:06.694 INFO [stderr] 
Dec 19 20:57:06.694 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:57:06.694 INFO [stderr]   --> src/stats.rs:80:9
Dec 19 20:57:06.694 INFO [stderr]    |
Dec 19 20:57:06.694 INFO [stderr] 80 |         writeln!(f, "95th Percenile value = {:.3}", self.histogram[NINETY5]);
Dec 19 20:57:06.694 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:57:06.694 INFO [stderr]    |
Dec 19 20:57:06.700 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:57:06.700 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 20:57:06.700 INFO [stderr] 
Dec 19 20:57:06.718 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:57:06.718 INFO [stderr]   --> src/stats.rs:71:9
Dec 19 20:57:06.718 INFO [stderr]    |
Dec 19 20:57:06.718 INFO [stderr] 71 |         writeln!(f, "Timing results for {}", self.category);
Dec 19 20:57:06.718 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:57:06.718 INFO [stderr]    |
Dec 19 20:57:06.718 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 20:57:06.718 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:57:06.718 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 20:57:06.718 INFO [stderr] 
Dec 19 20:57:06.718 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:57:06.718 INFO [stderr]   --> src/stats.rs:72:9
Dec 19 20:57:06.718 INFO [stderr]    |
Dec 19 20:57:06.718 INFO [stderr] 72 |         writeln!(f, "Bandwidth = {:.3} MB/sec", self.bytes / self.sum as f64 / (1024.0 * 1024.0));
Dec 19 20:57:06.718 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:57:06.718 INFO [stderr]    |
Dec 19 20:57:06.718 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:57:06.718 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 20:57:06.718 INFO [stderr] 
Dec 19 20:57:06.718 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:57:06.718 INFO [stderr]   --> src/stats.rs:73:9
Dec 19 20:57:06.718 INFO [stderr]    |
Dec 19 20:57:06.718 INFO [stderr] 73 |         writeln!(f, "Mean = {:.3}", (self.max - self.min) / 2_f64);
Dec 19 20:57:06.718 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:57:06.718 INFO [stderr]    |
Dec 19 20:57:06.718 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:57:06.718 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 20:57:06.718 INFO [stderr] 
Dec 19 20:57:06.718 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:57:06.718 INFO [stderr]   --> src/stats.rs:74:9
Dec 19 20:57:06.718 INFO [stderr]    |
Dec 19 20:57:06.718 INFO [stderr] 74 |         writeln!(f, "Average = {:.3}", self.sum / self.num_samples as f64);
Dec 19 20:57:06.718 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:57:06.718 INFO [stderr]    |
Dec 19 20:57:06.718 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:57:06.718 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 20:57:06.718 INFO [stderr] 
Dec 19 20:57:06.718 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:57:06.718 INFO [stderr]   --> src/stats.rs:75:9
Dec 19 20:57:06.718 INFO [stderr]    |
Dec 19 20:57:06.718 INFO [stderr] 75 |         writeln!(f, "Max = {:.3}", self.max);
Dec 19 20:57:06.718 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:57:06.718 INFO [stderr]    |
Dec 19 20:57:06.718 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:57:06.718 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 20:57:06.718 INFO [stderr] 
Dec 19 20:57:06.718 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:57:06.718 INFO [stderr]   --> src/stats.rs:76:9
Dec 19 20:57:06.718 INFO [stderr]    |
Dec 19 20:57:06.718 INFO [stderr] 76 |         writeln!(f, "Min = {:.3}", self.min);
Dec 19 20:57:06.718 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:57:06.718 INFO [stderr]    |
Dec 19 20:57:06.718 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:57:06.718 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 20:57:06.718 INFO [stderr] 
Dec 19 20:57:06.718 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:57:06.718 INFO [stderr]   --> src/stats.rs:77:9
Dec 19 20:57:06.718 INFO [stderr]    |
Dec 19 20:57:06.718 INFO [stderr] 77 |         writeln!(f, "50th Percenile value = {:.3}", self.histogram[FIFTY]);
Dec 19 20:57:06.718 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:57:06.718 INFO [stderr]    |
Dec 19 20:57:06.718 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:57:06.718 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 20:57:06.718 INFO [stderr] 
Dec 19 20:57:06.719 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:57:06.719 INFO [stderr]   --> src/stats.rs:78:9
Dec 19 20:57:06.719 INFO [stderr]    |
Dec 19 20:57:06.719 INFO [stderr] 78 |         writeln!(f, "70th Percenile value = {:.3}", self.histogram[SEVENTY]);
Dec 19 20:57:06.719 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:57:06.719 INFO [stderr]    |
Dec 19 20:57:06.719 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:57:06.719 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 20:57:06.719 INFO [stderr] 
Dec 19 20:57:06.719 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:57:06.719 INFO [stderr]   --> src/stats.rs:79:9
Dec 19 20:57:06.719 INFO [stderr]    |
Dec 19 20:57:06.719 INFO [stderr] 79 |         writeln!(f, "90th Percenile value = {:.3}", self.histogram[NINETY]);
Dec 19 20:57:06.719 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:57:06.719 INFO [stderr]    |
Dec 19 20:57:06.719 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:57:06.719 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 20:57:06.719 INFO [stderr] 
Dec 19 20:57:06.719 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:57:06.719 INFO [stderr]   --> src/stats.rs:80:9
Dec 19 20:57:06.719 INFO [stderr]    |
Dec 19 20:57:06.719 INFO [stderr] 80 |         writeln!(f, "95th Percenile value = {:.3}", self.histogram[NINETY5]);
Dec 19 20:57:06.719 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:57:06.719 INFO [stderr]    |
Dec 19 20:57:06.719 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:57:06.719 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 20:57:06.719 INFO [stderr] 
Dec 19 20:57:06.769 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.42s
Dec 19 20:57:07.566 INFO running `"docker" "inspect" "0080289e8f831c289dc34f1b1a1c92538ca89b8e3a0a400a0aa7f79fd21b6560"`
Dec 19 20:57:07.814 INFO running `"docker" "rm" "-f" "0080289e8f831c289dc34f1b1a1c92538ca89b8e3a0a400a0aa7f79fd21b6560"`
Dec 19 20:57:08.064 INFO [stdout] 0080289e8f831c289dc34f1b1a1c92538ca89b8e3a0a400a0aa7f79fd21b6560